Hierarchical CoFe2O4/NiFe2O4 nanocomposites with enhanced electrochemical capacitive properties

Hierarchical CoFe2O4/NiFe2O4 nanocomposites with enhanced electrochemical capacitive properties Hierarchical CoFe2O4/NiFe2O4 nanocomposites are prepared via a facile hydrothermal method, in which CoFe2O4 nanoparticles are coated by NiFe2O4 nanoparticles to form a novel nanostructure. Comparing with the single component of either CoFe2O4 electrodes or NiFe2O4 electrodes, the as-prepared hierarchical CoFe2O4/NiFe2O4 nanocomposites electrodes deliver a higher specific capacitance of 269 F g−1 at a current density of 1 A g−1 and exhibit capacity retention of 81% after 10000 charge–discharge cycles. The improved electrochemical performance demonstrates that hierarchical CoFe2O4/NiFe2O4 nanocomposites are promising materials and provide a new idea for future generation supercapacitors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Science Springer Journals

Hierarchical CoFe2O4/NiFe2O4 nanocomposites with enhanced electrochemical capacitive properties

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media, LLC
Subject
Materials Science; Materials Science, general; Characterization and Evaluation of Materials; Polymer Sciences; Continuum Mechanics and Mechanics of Materials; Crystallography and Scattering Methods; Classical Mechanics
ISSN
0022-2461
eISSN
1573-4803
D.O.I.
10.1007/s10853-017-1735-9
Publisher site
See Article on Publisher Site

Abstract

Hierarchical CoFe2O4/NiFe2O4 nanocomposites are prepared via a facile hydrothermal method, in which CoFe2O4 nanoparticles are coated by NiFe2O4 nanoparticles to form a novel nanostructure. Comparing with the single component of either CoFe2O4 electrodes or NiFe2O4 electrodes, the as-prepared hierarchical CoFe2O4/NiFe2O4 nanocomposites electrodes deliver a higher specific capacitance of 269 F g−1 at a current density of 1 A g−1 and exhibit capacity retention of 81% after 10000 charge–discharge cycles. The improved electrochemical performance demonstrates that hierarchical CoFe2O4/NiFe2O4 nanocomposites are promising materials and provide a new idea for future generation supercapacitors.

Journal

Journal of Materials ScienceSpringer Journals

Published: Nov 1, 2017

References

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